package org.sealife.skos.editor;

import javax.swing.*;
import java.net.URL;
import java.util.HashMap;
/*
 * Copyright (C) 2007, University of Manchester
 *
 * Modifications to the initial code base are copyright of their
 * respective authors, or their employers as appropriate.  Authorship
 * of the modifications may be determined from the ChangeLog placed at
 * the end of this file.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

/**
 * Author: Matthew Horridge<br>
 * The University Of Manchester<br>
 * Medical Informatics Group<br>
 * Date: Apr 2, 2006<br><br>
 * <p/>
 * matthew.horridge@cs.man.ac.uk<br>
 * www.cs.man.ac.uk/~horridgm<br><br>
 */
public class SKOSIcons {

    private static HashMap<String, Icon> iconMap;


    static {
        iconMap = new HashMap<String, Icon>();
    }


    public static Icon getIcon(String name) {
        Icon icon = iconMap.get(name);
        if (icon != null) {
            return icon;
        }
        else {
            ClassLoader loader = SKOSIcons.class.getClassLoader();
            URL url = loader.getResource(name);
            if (url != null) {
                Icon loadedIcon = new ImageIcon(url);
                iconMap.put(name, loadedIcon);
                return loadedIcon;
            }
            else {
                return null;
            }
        }
    }
}
